Welcome to Clip from Spiral

This GCSE Biology revision video explains everything you need to know about enzymes - including definition, digestive enzymes and effect of temperature and pH.
These videos are designed to help you with your GCSE science revision.
For additional support Like Hazel's Facebook Page https://goo.gl/w2261M
Hazel completed her undergraduate degree at St John's College, the University of Cambridge. She then did a PGCE (Post-Graduate Certificate of Education) before qualifying as a science teacher. She now works full time as a professional tutor.
These videos are revision tutorials specifically aimed at Edexcel IGCSE but can be used across all exam boards. Material required for A* is included.
Please leave any topic requests in the comments below. Email any questions to hazel.sciencetutor@gmail.com